Why the study?
Does exercise intensity influence carotid baroreflex control of heart rate and mean arterial pressure at the onset of isometric exercise in humans?
Does exercise intensity influence carotid baroreflex control of heart rate and mean arterial pressure at the onset of isometric exercise in humans?
Carotid baroreflex control of heart rate is transiently blunted at the immediate onset of high-intensity isometric exercise, while blood pressure regulation is maintained.
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May warrant caution in HR-based baroreflex assessments during early isometric exercise; leaves open intensity-dependent mechanisms for prospective study.
Fisher et al. (2007) studied this question.
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